Pith Number

pith:GQZ2NVDL

pith:2018:GQZ2NVDLQO7CYKN7ILHK3VN5GD

not attested not anchored not stored refs pending

Composite Optimization by Nonconvex Majorization-Minimization

Jonas Geiping, Michael Moeller

arxiv:1802.07072 v2 · 2018-02-20 · math.OC · cs.CV · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQZ2NVDLQO7CYKN7ILHK3VN5GD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:06:40.646522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3433a6d46b83be2c29bf42ceadd5bd30f71afd5b8e3f121dfa33327e0df46101

Aliases

arxiv: 1802.07072 · arxiv_version: 1802.07072v2 · doi: 10.48550/arxiv.1802.07072 · pith_short_12: GQZ2NVDLQO7C · pith_short_16: GQZ2NVDLQO7CYKN7 · pith_short_8: GQZ2NVDL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GQZ2NVDLQO7CYKN7ILHK3VN5GD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3433a6d46b83be2c29bf42ceadd5bd30f71afd5b8e3f121dfa33327e0df46101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a0d87b71100fa4a34332b6f28be6623edb6af2a401caee58e17a6a6543fede6",
    "cross_cats_sorted": [
      "cs.CV",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-20T11:59:33Z",
    "title_canon_sha256": "81767075a61750b569eced1186dfb91dd8da576fe30b189c5d6e85f0f056a156"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07072",
    "kind": "arxiv",
    "version": 2
  }
}